HEF4794B Ver la hoja de datos (PDF) - NXP Semiconductors.

Número de pieza

componentes Descripción

Fabricante

HEF4794B

8-stage shift-and-store register LED driver

NXP Semiconductors. 

NXP Semiconductors

HEF4794B

8-stage shift-and-store register LED driver

VI

90 %

input pulse

10 %

VSS

tr

VI

G

VDD

DUT

RT

tf

VEXT

RL

VO

CL

001aag804

Test data is given in Table 10.

Definitions for test circuit:

DUT - Device Under Test.

RL = Load resistance.

CL = load capacitance.

RT = Termination resistance should be equal to output impedance of Zo of the pulse generator.

VEXT = External voltage for measuring switching times.

Fig 10. Test circuit for measuring switching times

Table 10. Test data

Supply

Input

VDD

VI

5 V to 15 V

VDD

tr, tf

 20 ns

VEXT

tPLZ, tPZL

VDD

tPLH, tPHL

open

Load

CL

50 pF

RL

1 k

HEF4794B

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 7 — 16 November 2011

© NXP B.V. 2011. All rights reserved.

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